*{
    box-sizing: border-box;
}
.top{
    background-color: #1bae85;
    padding: 5px 0;
    div:first-child>ul{
        li:last-child{
            width: 100px;
        }
    }
    select{
        border: none;
        border-radius: 5px;
        color: white;
        outline: none;
        width: 100%;
        padding: 5px;
        background-color: rgba(0,0,0,0.1);
    }
    ul{
        list-style: none;
        margin-bottom: 0;
        li{
            float: left;
            margin: 0 5px;
            height: 30px;
            color: white;
            line-height: 30px;
        }
        li:first-child{
            color: black;
        }
        li:nth-of-type(2){
            color: white;
            margin: 0 20px;
        }
    }
    ul::after{
        content: "";
        display: block;
        clear: both;
    }
}